<template>
  <Dialog :title="dialogTitle" v-model="dialogVisible">
    <el-form
      ref="formRef"
      :model="formData"
      :rules="formRules"
      label-width="100px"
      v-loading="formLoading"
    >
      <el-form-item label="标题" prop="title">
        <el-input v-model="formData.title" placeholder="请输入标题" />
      </el-form-item>
      <el-form-item label="图片" prop="image">
        <UploadImg v-model="formData.image" />
      </el-form-item>
      <el-form-item label="跳转链接" prop="url">
        <el-input v-model="formData.url" placeholder="请输入跳转链接" />
      </el-form-item>
      <el-form-item label="移动端图片" prop="image">
        <UploadImg v-model="formData.position" />
      </el-form-item>
      <el-form-item label="类型" prop="type">
        <el-select v-model="formData.type" placeholder="请选择类型" clearable>
          <el-option label="请选择字典生成" value="" />
        </el-select>
      </el-form-item>
      <el-form-item label="开始时间" prop="startTime">
        <el-date-picker
          v-model="formData.startTime"
          type="date"
          value-format="x"
          placeholder="选择开始时间"
        />
      </el-form-item>
      <el-form-item label="结束时间" prop="endTime">
        <el-date-picker
          v-model="formData.endTime"
          type="date"
          value-format="x"
          placeholder="选择结束时间"
        />
      </el-form-item>
      <el-form-item label="banner描述" prop="content">
        <Editor 
          v-model="formData.content" 
          :defaultConfig="editorConfig"
          height="150px" 
        />
      </el-form-item>
      <el-form-item label="排序" prop="sort">
        <el-input v-model="formData.sort" placeholder="请输入排序" />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-radio-group v-model="formData.status">
          <el-radio :label="1">启用</el-radio>
          <el-radio :label="0">禁用</el-radio>
        </el-radio-group>
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
<script setup lang="ts">
import { BannerApi, BannerVO } from '@/api/weiyi/banner'
import type { FormInstance } from 'element-plus'

/** banner管理 表单 */
defineOptions({ name: 'BannerForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改

// 添加编辑器配置
const editorConfig = {
  placeholder: '请输入banner描述...',
  autoFocus: false
}

interface FormData {
  id?: number
  title: string
  image: string
  url: string
  position: string | number
  type: number
  startTime: number
  endTime: number
  content: string | null
  sort: number
  status: number
}

const formData = ref<FormData>({
  title: '',
  image: '',
  url: '',
  position: '',
  type: 0,
  startTime: 0,
  endTime: 0,
  content: '',
  sort: 0,
  status: 1
})

const formRef = ref<FormInstance>()

const formRules = reactive({
  image: [{ required: true, message: '图片地址不能为空', trigger: 'blur' }],
})

/** 打开弹窗 */
const open = async (type: string, id?: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()
  // 修改时，设置数据
  if (id) {
    formLoading.value = true
    try {
      const data = await BannerApi.getBanner(id)
      formData.value = {
        ...data,
        content: data.content || ''
      }
    } finally {
      formLoading.value = false
    }
  }
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  if (!formRef.value) return
  try {
    // 校验表单
    await formRef.value.validate()
    // 提交请求
    formLoading.value = true
    const data = {
      ...formData.value,
      content: formData.value.content || ''
    } as unknown as BannerVO
    
    if (formType.value === 'create') {
      await BannerApi.createBanner(data)
      message.success(t('common.createSuccess'))
    } else {
      await BannerApi.updateBanner(data)
      message.success(t('common.updateSuccess'))
    }
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } catch (error) {
    console.error('表单提交错误:', error)
  } finally {
    formLoading.value = false
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    title: '',
    image: '',
    url: '',
    position: '',
    type: 0,
    startTime: 0,
    endTime: 0,
    content: '',
    sort: 0,
    status: 1
  }
  if (formRef.value) {
    formRef.value.resetFields()
  }
}
</script>